![]() Increase the injection speed or prelong the injection time Misalignment of hot runner nozzle and gate Vapor condensation in the core and cavity Lower drying temperature and prelong drying time Sliver streaking or yellowing of PET preform ![]() Lower the hold pressure fix the PET preform mold Improve the cooling and make the wall thinner Verify the drying temperature and shot volume, drying temperature 165 ℃ and moisture<0.02% Increase the PET material heating temperature Too low temperature of nozzle of hot runner And will will waste lots of raw material if the preforms getting yellow (over melted or burned ).īelow table list is the PET preform injection molding troubleshooting guide for your further information: Defects / Problems It may cause failed to bottle blowing if there are pet preform defects like the moisture not match the requirement( PET heating temperature is not collect). As the PET preforms`s quality affects a lot in the following step PET preform blowing process. PET preform injection molding troubleshooting is very important during the whole PET bottles making process. West Lothian College’s trauma-responsive practice is the focus of a current research study being conducted by the Colleges Development Network.Plastic PET Preform Injection Molding Troubleshooting “This was another step forward in West Lothian College being a trauma responsive college.” “The Little Iceberg Musical and the workshops help with that process of understanding. By understanding the impact trauma has on people’s lives, we can better support those affected by it. West Lothian College Principal, Jackie Galbraith commented on the impact the musical had, saying: "Over four years ago, we set out our vision to be a mentally healthy, trauma informed college. ![]() We can’t wait to hear what attendees take away from their experience of The Little Iceberg.” “My colleagues on the Anam Alba and connected baby teams have been inspired to see what is possible by partnership of this calibre. “It is unusual to find an organisation as resolutely committed to this vision as is the college, and using a musical production as a tool for boosting understanding is certainly a creative and brave move!
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